Q. Fill in the blanks with the correct choice.
The undesired impurities present in the ores are called . To remove the volatile impurities from the ore, the process is carried out. Flux combines with non-fusible impurities to form . acts as a flux.
(i) (ii) (iii) (iv)
(a) gangue roasting slag acidic
(b) gangue calcination slag basic
(c) anode mud leaching matrix acidic
(d) gangue roasting solution acidic

 2101  222 General Principles and Processes of Isolation of Elements Report Error

Solution:

Correct answer is (b) b